18/27 can be reduced to 2/3 so the second option should be the correct answer
M 7=280. you just multiply 7 by 40 to get your answer. i am pretty sure.
Answer:
4\pm\sqrt{19}
Step-by-step explanation:
Move everything to left side

Now to solve this square equation we need to find Descriminant

As Descriminant D is greater than 0 then we have 2 solutions which we can calculate by this formula

The answer is
B.) As x approaches negative infinity, f(x) approaches positive infinity.